Check Point Advisories

Libmspack Project Buffer Overflow (CVE-2018-18584)

Vulnerability
Protection

Check Point Reference:	CPAI-2019-0299
Date Published:	19 Feb 2019
Severity:	Medium
Last Updated:	Monday 21 November, 2022
Source:
Industry Reference:	CVE-2018-18584
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Libmspack Project libmspack prior to 0.8 alpha
Vulnerability Description	Buffer overflow vulnerability exists in the libmspack library. This vulnerability is due to improper handling of block alignment. Successful exploitation of the vulnerability may result in arbitrary code execution.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Libmspack Project Buffer Overflow (CVE-2018-18584) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Libmspack Project Buffer Overflow (CVE-2018-18584)